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A current I flows along the length of an infinitely long, straight, thin walled pipe. Then
- a)the magnetic field at all points inside the pipe is the same, but not zero
- b)the magnetic field is zero only on the axis of the pipe
- c)the magnetic field is different at different points inside the pipe
- d)the magnetic field at any point inside the pipe is zero
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A current I flows along the length of an infinitely long, straight, th...
Understanding the Magnetic Field Inside a Thin-Walled Pipe
When a current I flows through an infinitely long, straight, thin-walled pipe, it's essential to analyze the magnetic field produced by this configuration.
Magnetic Field Inside the Pipe
- According to Ampère's Law, the magnetic field around a current-carrying conductor can be determined using the symmetry of the situation.
- For a thin-walled pipe, which can be visualized as a cylindrical shell carrying current, the magnetic field inside the pipe is influenced by the current flowing along its surface.
Application of Gauss's Law
- To determine the magnetic field inside, we can apply Gauss's Law for magnetism, which states that the net magnetic flux through a closed surface is zero.
- Inside a cylindrical conductor, the enclosed current is zero when considering a Gaussian surface that lies entirely within the pipe's walls.
Conclusion: Magnetic Field Behavior
- The magnetic field inside the pipe is uniform and equals zero because:
- There are equal currents in opposite directions on the thin walls of the pipe that cancel each other out.
- Thus, at any point inside the pipe, the contributions to the magnetic field from all parts of the pipe cancel each other.
Final Note
- Therefore, the correct answer is option 'D': the magnetic field at any point inside the pipe is zero.
When a current I flows through an infinitely long, straight, thin-walled pipe, it's essential to analyze the magnetic field produced by this configuration.
Magnetic Field Inside the Pipe
- According to Ampère's Law, the magnetic field around a current-carrying conductor can be determined using the symmetry of the situation.
- For a thin-walled pipe, which can be visualized as a cylindrical shell carrying current, the magnetic field inside the pipe is influenced by the current flowing along its surface.
Application of Gauss's Law
- To determine the magnetic field inside, we can apply Gauss's Law for magnetism, which states that the net magnetic flux through a closed surface is zero.
- Inside a cylindrical conductor, the enclosed current is zero when considering a Gaussian surface that lies entirely within the pipe's walls.
Conclusion: Magnetic Field Behavior
- The magnetic field inside the pipe is uniform and equals zero because:
- There are equal currents in opposite directions on the thin walls of the pipe that cancel each other out.
- Thus, at any point inside the pipe, the contributions to the magnetic field from all parts of the pipe cancel each other.
Final Note
- Therefore, the correct answer is option 'D': the magnetic field at any point inside the pipe is zero.
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A current I flows along the length of an infinitely long, straight, th...
For a current flowing through an infinitely long, straight, thin-walled pipe, we can use Ampère's Law to determine the magnetic field inside and around the pipe. According to Ampère's Law, the magnetic field inside a conductor is related to the current flowing through it. However, for an infinitely long pipe with a thin wall, we are concerned with the magnetic field at points inside the pipe.
- When a current flows along a thin-walled pipe, the magnetic field at any point inside the pipe is determined by the symmetry of the system. For a thin-walled pipe, the magnetic field at any point inside the pipe is zero due to the nature of the setup.
- This is because the magnetic fields produced by the current in each segment of the pipe cancel each other out at all points inside the pipe. Essentially, there is no net magnetic field within the pipe itself.
The correct answer is: The magnetic field at any point inside the pipe is zero (option 4).
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A current I flows along the length of an infinitely long, straight, thin walled pipe. Thena)the magnetic field at all points inside the pipe is the same, but not zerob)the magnetic field is zero only on the axis of the pipec)the magnetic field is different at different points inside the piped)the magnetic field at any point inside the pipe is zeroCorrect answer is option 'D'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A current I flows along the length of an infinitely long, straight, thin walled pipe. Thena)the magnetic field at all points inside the pipe is the same, but not zerob)the magnetic field is zero only on the axis of the pipec)the magnetic field is different at different points inside the piped)the magnetic field at any point inside the pipe is zeroCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A current I flows along the length of an infinitely long, straight, thin walled pipe. Thena)the magnetic field at all points inside the pipe is the same, but not zerob)the magnetic field is zero only on the axis of the pipec)the magnetic field is different at different points inside the piped)the magnetic field at any point inside the pipe is zeroCorrect answer is option 'D'. Can you explain this answer?.
A current I flows along the length of an infinitely long, straight, thin walled pipe. Thena)the magnetic field at all points inside the pipe is the same, but not zerob)the magnetic field is zero only on the axis of the pipec)the magnetic field is different at different points inside the piped)the magnetic field at any point inside the pipe is zeroCorrect answer is option 'D'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A current I flows along the length of an infinitely long, straight, thin walled pipe. Thena)the magnetic field at all points inside the pipe is the same, but not zerob)the magnetic field is zero only on the axis of the pipec)the magnetic field is different at different points inside the piped)the magnetic field at any point inside the pipe is zeroCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A current I flows along the length of an infinitely long, straight, thin walled pipe. Thena)the magnetic field at all points inside the pipe is the same, but not zerob)the magnetic field is zero only on the axis of the pipec)the magnetic field is different at different points inside the piped)the magnetic field at any point inside the pipe is zeroCorrect answer is option 'D'. Can you explain this answer?.
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